Single circuit, mains voltage, one-meter track with a cable entry point at one end. The entry point can be through the back of the track or through the end.
The L connector is for use with the single circuit max track. It is used to connect two pieces of track together end to end at a 90° angle without a noticeable join.
The T connector is for use with the single circuit max track. It is used to connect three pieces of track together in a T shape without a noticeable join.